pimento[w06]$ atom helloGraphics.py
pimento[w06]$ python3
Python 3.6.5 (default, Apr  1 2018, 05:46:30)
[GCC 7.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> a = []
>>> a = list()
>>> a
[]
>>> list.append("hello")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: descriptor 'append' requires a 'list' object but received a 'str'
>>> a.append("hello")
>>> a
['hello']
>>>